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Alnylam Pharmaceuticals

806 hedge funds and large institutions have $59B invested in Alnylam Pharmaceuticals in 2025 Q3 according to their latest regulatory filings, with 221 funds opening new positions, 274 increasing their positions, 221 reducing their positions, and 48 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

24% more repeat investments, than reductions

Existing positions increased: 274 | Existing positions reduced: 221

2.46% less ownership

Funds ownership: 101.24%98.78% (-2.5%)

13% less call options, than puts

Call options by funds: $562M | Put options by funds: $649M

Holders
806
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
13
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$562M
Puts
$649M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Cetera Investment Advisers
226
Cetera Investment Advisers
Illinois
$6.62M
RIM
227
Rakuten Investment Management
Japan
$6.58M
LA
228
Linden Advisors
New York
$6.55M
VPIM
229
Vanguard Personalized Indexing Management
California
$6.38M
AS
230
Aware Super
Australia
$6.23M
TAF
231
Tredje AP-fonden
Sweden
$6.14M
Wealthfront Advisers
232
Wealthfront Advisers
California
$6.12M
HFS
233
Hantz Financial Services
Michigan
$6M
PNC Financial Services Group
234
PNC Financial Services Group
Pennsylvania
$5.98M
Holocene Advisors
235
Holocene Advisors
New York
$5.97M
AAP
236
Arax Advisory Partners
Colorado
$5.97M
CCIA
237
Campbell & Co Investment Adviser
Maryland
$5.79M
FCM
238
Fieldview Capital Management
Michigan
$5.77M
Public Employees Retirement Association of Colorado
239
Public Employees Retirement Association of Colorado
Colorado
$5.67M
TI
240
Trexquant Investment
Connecticut
$5.65M
Nordea Investment Management
241
Nordea Investment Management
Sweden
$5.65M
Credit Agricole
242
Credit Agricole
France
$5.64M
Nisa Investment Advisors
243
Nisa Investment Advisors
Missouri
$5.53M
CIBC World Market
244
CIBC World Market
Ontario, Canada
$5.52M
AssetMark Inc
245
AssetMark Inc
California
$5.43M
ZIM
246
Zacks Investment Management
Illinois
$5.43M
Comerica Bank
247
Comerica Bank
Texas
$5.38M
AIMCA
248
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$5.34M
LIP
249
Liontrust Investment Partners
United Kingdom
$5.32M
VF
250
Virtu Financial
New York
$5.32M